.center {
    padding: 20% 0;
}
.box{
    border: solid 1px rgba(12,24,255,0.15);
    padding: 10px;
    margin-top: 10px;
    border-radius: 10px;
    text-align: center;
    vertical-align: middle;
}
.title{
    margin-top: 0px;
    font-family: 微软雅黑;
    font-weight: 500;
}